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Unity & Diversity
Test Description: Review for unity and diversity unit. Testable Questions.
Instructions: Answer all questions to get your test result.
1) What is the relationship between genes and chromosomes?
A
Chromosomes determine gender, genes determine other cellular functions
B
genes are found in every cell, chromosomes are found only in sex cells.
C
Chromosomes are compact storage units for genes
D
Genes and chromosomes are the same thing
2) The physical characteristics of an organism is know as the organism's
A
Heterozygous
B
Genotype
C
Phenotype
D
Homozygous
3) The term used to refer to an organism that has two different alleles for the same trait is. . .
A
Homozygous
B
Phenotype
C
Heterozygous
D
Genotype
4) Which represents the genotype of a homozygous condition?
A
Bb
B
bc
C
BC
D
bb
5) In pea plants, tall is dominant over short. What size pea plants will result when a pure tall plant is crosses with a pure short plant?
A
Middle-sized plants
B
Short plants
C
Some tall and some short plants
D
Tall plants
6) All of the following are inherited traits EXCEPT
A
Eye color of a person
B
Color blindness of a person
C
Scars on a person's forehead
D
A widow's peak on a person's forehead.
7) Sexual reproduction occurs in
A
Some single-celled organisms
B
Plants
C
All of the above
D
Animals
8) Organisms that have two parents. . .
A
Receive individual traits from only one parent.
B
Exhibit traits from each parent.
C
Exhibit traits from only one parent.
D
Receive a full set of genes from each parent.
9) What is the major cause of variation within a species?
A
Asexual Reproduction
B
Sexual Reproduction
C
Photosynthesis
D
Extinction
10) If two short-winged flies mated and the resulting offspring had some short-winged and tall-winged flies. What could the explanation be?
A
Having tall wings must be the dominant trait.
B
A fly with tall wings must be homozygous dominant
C
The parents must have had a combination of the traits they passed on to the offspring.
D
The short-wings must be a dominant trait
*select an answer for all questions
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